CA1114076A - Device for supporting patient in panoramic x-ray radiography - Google Patents
Device for supporting patient in panoramic x-ray radiographyInfo
- Publication number
- CA1114076A CA1114076A CA310,362A CA310362A CA1114076A CA 1114076 A CA1114076 A CA 1114076A CA 310362 A CA310362 A CA 310362A CA 1114076 A CA1114076 A CA 1114076A
- Authority
- CA
- Canada
- Prior art keywords
- patient
- base
- supporting
- head
- suspension means
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000008093 supporting effect Effects 0.000 title claims abstract description 22
- 238000002601 radiography Methods 0.000 title claims abstract description 8
- 239000000725 suspension Substances 0.000 claims description 15
- 230000005855 radiation Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 210000002455 dental arch Anatomy 0.000 claims description 2
- 238000007864 suspending Methods 0.000 claims description 2
- 210000003128 head Anatomy 0.000 description 13
- 230000002123 temporal effect Effects 0.000 description 4
- 210000001061 forehead Anatomy 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009347 mechanical transmission Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- A61B6/51—
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/04—Positioning of patients; Tiltable beds or the like
Abstract
ABSTRACT OF THE DISCLOSURE
The invention at hand concerns a device for support-ing the patient in panoramic X-ray radiography. The device has a certain head supporting equipment to support the pa-tient's head in order to keep it in a fixed position during the X-ray radiography. The device also has equipment for placing the patient's head in the right position for radiogra-phy. These make it possible to move the X-ray machine in re-lation to the head supporting equipment, so that the patient's head can be placed in the appropriate position in relation to the X-ray machine.
The invention at hand concerns a device for support-ing the patient in panoramic X-ray radiography. The device has a certain head supporting equipment to support the pa-tient's head in order to keep it in a fixed position during the X-ray radiography. The device also has equipment for placing the patient's head in the right position for radiogra-phy. These make it possible to move the X-ray machine in re-lation to the head supporting equipment, so that the patient's head can be placed in the appropriate position in relation to the X-ray machine.
Description
-` 1~14(17~
The invention concerns a device for supportin~ a patient in panoramic X~ray radiograph~.
In the panoramic tomographic radio~raphy technique, a layer of certain thickness of the object is ~isible on the film. This is the so-called picture layerl the form, location and thickness of which c~n be affected through appropriate planning of the geometry pertaining to the projection of the object. Normally, in this photo technique, the radiation source and the film move in relation to the patient, who thus remains still during the radiographing. The desired point of the object is pictured accurately on the film, if the same speed is chosen for the film and the projection point on the surface of the film of the point to be pictured.
In the presently existing arrangements the layer to be pictured, without exception, is kept steady and the patient's head is moved with the help of head supports, so that the pa-tient's head can be set in the right position in relation to the layer to be pictured.
In panoramic tomographic radiography, the position of the patient in relation to the layer to be pictured is a delicate operation in terms of the final outcome. Even the smallest mistake when positioning the patientwillshow in the X-ray picture. The weakness of known systems is the fact, that the patient's head has to be positioned correctly and at the same time supported properly during radiography.
1 .
'' -- 1114(~76 :
The present invention provides as simple and clear a supporting device as possible. In practice, it is a major importance that the supporting and positioning of the patient in relation to the layer to be pictured be as easy as possible.
The placing of the patient's head in relation to the layer to be pictured had to be easily checked.
According to the present invention there is provided a device for supporting a patient during panoramic X-ray radiography comprising: support structure; a radiation source;
a film holder, said radiation source and said film holder being mounted on said supporting structure on opposite sides of a patient to be radiographed when situated therebetween; a base having a pair of vertically spaced, horizontally extending arms;
means fixedly secured to the upper arm of said base for supporting the upper portion of the head of a patient; means movably sus-pending said supporting structure from the upper arm of said base for rotational and horizonta~ linear movement relative to said ; base and the upper arm; indicator means supported on the lower arm of said base and adapted for horizontal linear movement relative to the lower arm and said base and the patient for j indicating the position of the layer to be radiographed in relation to the patient; and means coupling said indicator means and said movable suspension means for horizontally, linearly moving said movable suspension means in unison with said in-dicator means.
In one embodiment of the present invention the device includes a slide member movably supported on the lower arm of said base member for lineax movement with said suspension means and supporting said indicator means for indicating the linearly moved position of said suspension means relative to the patient.
Desirably the suspension means moves linearly in the direction - of the axis of symmetry of the dental arch of a patient.
'' ' ' i, .
.. .. . . . . . .
. . , . , .. , . - .. . . . . .. .
14~76 The primary advantage of the invention is that the layer to be pictured can be moved to its proper place in rela-tion to the patient after the patient has already been placed correctly with the aid of the supporting equipment.
The separating of the support of the patient's head, and the position of the picture layer in relation to the patient, considerably facilitates the practical procedures for handling the patient, which, of course, is the most critical phase for achieving a good final result.
The present invention will be further illustrated by way of the accompanying drawings in which:
Figure 1 presents schematically the profile of the support device for supporting the patient's head in a certain .
` 30 ~, :
2a -~114{i~6 performance in the panoramic X-ray machine.
Solid base 1 is the base of the whole X-ray machine.
Base 2, mounted in bearings, moves vertically in relation to base 1. Part 3 i9 a lever, with which the balanced moving base 2 can be moved vertically. Parts 4 and 5 are attached to part 2. Supporting column 6 is suspended rotatingly in rela-tion to part 5. Radiation source 7 and cassette holder 8 are attached to supporting column 6. By turning knob 9, sliding piece 10 can be moved linearly in relation to part 4. Indica-tor 11 is attached to sliding piece 1~. Indicator 11 shows the position of the layer to be pictured in relation to the patient 21. The suspension point 22 of supporting column 6 is mechanically attached to sliding piece 10, so that it (22) moves in the same direction as sliding piece 10 when turning knob 9.
Chin support 12 is detachably attached to part 4, Base 13 of the head support i8 stationarily attached to part 5 through attaching piece 14. Forehead support 16 and temporal supports 17 and 18 support the patient's head 21 from above 0while chin support 12 supports the patient's chin. Locking lever 15 can lock temporal supports 17 and 18 for A more effi-cient support of the patient. There is a mechanical trans-mission between forehead support 16 and temporal supports 17 and 18, so that when the patient pushes forehead support 16 ~orward, temporal supports 17 and 18 are pressed symmetrically ~rom both sides against the patient's head 21.
Cassette cart 19 moves during the pro~ection with changing speed linearly in relation to cassette hvlder 8.
.~
.. ~ .. . . : . ~ :: : . .
. . . ~ - , .
. ... ~ .: .
. . .: . . ~
11~4~76 Cassette cart 18 contains the film cassette, where the X-ray film is located. The beam of X-rays coming from tube end 7 reaches the ~ilm in cassette cart 19 through the patient's head 21 through an opening in secondary shutter 20.
Characteristic for the invention is the very basic observation that by moving suspension point 22 o~ supportlng column 6 in relation to the patient, the picture layer which is pro~ected accurately as determined by the movement of sup-porting column 6 can be moved in relation to the patient To 10 make this move pO8S ible, the X-ray machine must be planned so that column 6 is suspended only through one part 22 and base 13 of the head support attached through attaching piece 14, which can move freely through suspension point 22. Attaching piece 14 is completely 6tationary in relation to part 5 while suspension point 22 gets to move linearly in relation to part ; 5. Furthermore, sliding piece 10, to which indicator 11 is attached, i8 mechanically coupled to suspension point 22 so that they move the same distance parallelly when knob 9 is turned.
.. . . ~ :
-. .. ~ , . .
, ~ . . . ~ . .
The invention concerns a device for supportin~ a patient in panoramic X~ray radiograph~.
In the panoramic tomographic radio~raphy technique, a layer of certain thickness of the object is ~isible on the film. This is the so-called picture layerl the form, location and thickness of which c~n be affected through appropriate planning of the geometry pertaining to the projection of the object. Normally, in this photo technique, the radiation source and the film move in relation to the patient, who thus remains still during the radiographing. The desired point of the object is pictured accurately on the film, if the same speed is chosen for the film and the projection point on the surface of the film of the point to be pictured.
In the presently existing arrangements the layer to be pictured, without exception, is kept steady and the patient's head is moved with the help of head supports, so that the pa-tient's head can be set in the right position in relation to the layer to be pictured.
In panoramic tomographic radiography, the position of the patient in relation to the layer to be pictured is a delicate operation in terms of the final outcome. Even the smallest mistake when positioning the patientwillshow in the X-ray picture. The weakness of known systems is the fact, that the patient's head has to be positioned correctly and at the same time supported properly during radiography.
1 .
'' -- 1114(~76 :
The present invention provides as simple and clear a supporting device as possible. In practice, it is a major importance that the supporting and positioning of the patient in relation to the layer to be pictured be as easy as possible.
The placing of the patient's head in relation to the layer to be pictured had to be easily checked.
According to the present invention there is provided a device for supporting a patient during panoramic X-ray radiography comprising: support structure; a radiation source;
a film holder, said radiation source and said film holder being mounted on said supporting structure on opposite sides of a patient to be radiographed when situated therebetween; a base having a pair of vertically spaced, horizontally extending arms;
means fixedly secured to the upper arm of said base for supporting the upper portion of the head of a patient; means movably sus-pending said supporting structure from the upper arm of said base for rotational and horizonta~ linear movement relative to said ; base and the upper arm; indicator means supported on the lower arm of said base and adapted for horizontal linear movement relative to the lower arm and said base and the patient for j indicating the position of the layer to be radiographed in relation to the patient; and means coupling said indicator means and said movable suspension means for horizontally, linearly moving said movable suspension means in unison with said in-dicator means.
In one embodiment of the present invention the device includes a slide member movably supported on the lower arm of said base member for lineax movement with said suspension means and supporting said indicator means for indicating the linearly moved position of said suspension means relative to the patient.
Desirably the suspension means moves linearly in the direction - of the axis of symmetry of the dental arch of a patient.
'' ' ' i, .
.. .. . . . . . .
. . , . , .. , . - .. . . . . .. .
14~76 The primary advantage of the invention is that the layer to be pictured can be moved to its proper place in rela-tion to the patient after the patient has already been placed correctly with the aid of the supporting equipment.
The separating of the support of the patient's head, and the position of the picture layer in relation to the patient, considerably facilitates the practical procedures for handling the patient, which, of course, is the most critical phase for achieving a good final result.
The present invention will be further illustrated by way of the accompanying drawings in which:
Figure 1 presents schematically the profile of the support device for supporting the patient's head in a certain .
` 30 ~, :
2a -~114{i~6 performance in the panoramic X-ray machine.
Solid base 1 is the base of the whole X-ray machine.
Base 2, mounted in bearings, moves vertically in relation to base 1. Part 3 i9 a lever, with which the balanced moving base 2 can be moved vertically. Parts 4 and 5 are attached to part 2. Supporting column 6 is suspended rotatingly in rela-tion to part 5. Radiation source 7 and cassette holder 8 are attached to supporting column 6. By turning knob 9, sliding piece 10 can be moved linearly in relation to part 4. Indica-tor 11 is attached to sliding piece 1~. Indicator 11 shows the position of the layer to be pictured in relation to the patient 21. The suspension point 22 of supporting column 6 is mechanically attached to sliding piece 10, so that it (22) moves in the same direction as sliding piece 10 when turning knob 9.
Chin support 12 is detachably attached to part 4, Base 13 of the head support i8 stationarily attached to part 5 through attaching piece 14. Forehead support 16 and temporal supports 17 and 18 support the patient's head 21 from above 0while chin support 12 supports the patient's chin. Locking lever 15 can lock temporal supports 17 and 18 for A more effi-cient support of the patient. There is a mechanical trans-mission between forehead support 16 and temporal supports 17 and 18, so that when the patient pushes forehead support 16 ~orward, temporal supports 17 and 18 are pressed symmetrically ~rom both sides against the patient's head 21.
Cassette cart 19 moves during the pro~ection with changing speed linearly in relation to cassette hvlder 8.
.~
.. ~ .. . . : . ~ :: : . .
. . . ~ - , .
. ... ~ .: .
. . .: . . ~
11~4~76 Cassette cart 18 contains the film cassette, where the X-ray film is located. The beam of X-rays coming from tube end 7 reaches the ~ilm in cassette cart 19 through the patient's head 21 through an opening in secondary shutter 20.
Characteristic for the invention is the very basic observation that by moving suspension point 22 o~ supportlng column 6 in relation to the patient, the picture layer which is pro~ected accurately as determined by the movement of sup-porting column 6 can be moved in relation to the patient To 10 make this move pO8S ible, the X-ray machine must be planned so that column 6 is suspended only through one part 22 and base 13 of the head support attached through attaching piece 14, which can move freely through suspension point 22. Attaching piece 14 is completely 6tationary in relation to part 5 while suspension point 22 gets to move linearly in relation to part ; 5. Furthermore, sliding piece 10, to which indicator 11 is attached, i8 mechanically coupled to suspension point 22 so that they move the same distance parallelly when knob 9 is turned.
.. . . ~ :
-. .. ~ , . .
, ~ . . . ~ . .
Claims (3)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A device for supporting a patient during panoramic X-ray radiography comprising: support structure; a radiation source; a film holder, said radiation source and said film holder being mounted on said supporting structure on opposite sides of a patient to be radiographed when situated therebetween;
a base having a pair of vertically spaced, horizontally ex-tending arms; means fixedly secured to the upper arm of said base for supporting the upper portion of the head of a patient;
means movably suspending said supporting structure from the upper arm of said base for rotational and horizontal linear movement relative to said base and the upper arm; indicator means supported on the lower arm of said base and adapted for horizontal linear movement relative to the lower arm and said base and the patient for indicating the position of the layer to be radiographed in relation to the patient; and means coupling said indicator means and said movable suspension means for horizontally, linearly moving said movable suspension means in unison with said indicator means.
a base having a pair of vertically spaced, horizontally ex-tending arms; means fixedly secured to the upper arm of said base for supporting the upper portion of the head of a patient;
means movably suspending said supporting structure from the upper arm of said base for rotational and horizontal linear movement relative to said base and the upper arm; indicator means supported on the lower arm of said base and adapted for horizontal linear movement relative to the lower arm and said base and the patient for indicating the position of the layer to be radiographed in relation to the patient; and means coupling said indicator means and said movable suspension means for horizontally, linearly moving said movable suspension means in unison with said indicator means.
2. A device according to claim 1, including: a slide member movably supported on the lower arm of said base member for linear movement with said suspension means and supporting said indicator means for indicating the linearly moved position of said suspension means relative to the patient.
3. A device according to claim 1 or 2, wherein:
said suspension means moves linearly in the direction of the axis of symmetry of the dental arch of a patient.
said suspension means moves linearly in the direction of the axis of symmetry of the dental arch of a patient.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI773160A FI56621C (en) | 1977-10-24 | 1977-10-24 | ANALYZING FOR PATIENTS WITH PANORAMA RENTAL PHOTOGRAPHY |
| FI773,160 | 1977-10-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1114076A true CA1114076A (en) | 1981-12-08 |
Family
ID=8511165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA310,362A Expired CA1114076A (en) | 1977-10-24 | 1978-08-30 | Device for supporting patient in panoramic x-ray radiography |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4329587A (en) |
| JP (1) | JPS55157A (en) |
| BE (1) | BE870673A (en) |
| CA (1) | CA1114076A (en) |
| DE (1) | DE2842251A1 (en) |
| FI (1) | FI56621C (en) |
| FR (1) | FR2406428B1 (en) |
| GB (1) | GB2006590B (en) |
| LU (1) | LU80405A1 (en) |
| NL (1) | NL185751C (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0115372Y2 (en) * | 1980-12-02 | 1989-05-09 | ||
| DE3221963A1 (en) * | 1982-06-11 | 1983-12-15 | Gerd 6070 Langen Hanel | Adjustment device for an X-ray apparatus for the preparation of reproducible radiographs of the jaw joint |
| FI840044A (en) * | 1984-01-06 | 1985-07-07 | Instrumentarium Oy | PATIENTENS STOEDSYSTEM VID EN SMALSTRAOLKNIPPETOMOGRAFIAVBILDNINGSANORDNING. |
| CH666803A5 (en) * | 1985-01-25 | 1988-08-31 | Hanspeter Dr Med Dent Delnon | DEVICE FOR TAKING ROENTGEN LAYER IMAGES. |
| DE8612867U1 (en) * | 1986-05-12 | 1987-09-17 | Siemens Ag, 1000 Berlin Und 8000 Muenchen, De | |
| JPH058352Y2 (en) * | 1986-08-07 | 1993-03-02 | ||
| JPH0293452A (en) * | 1988-09-29 | 1990-04-04 | Tokyo Emitsukusu:Kk | Oto-rino-ophthalmic tomograph |
| JPH03191948A (en) * | 1989-12-20 | 1991-08-21 | Tokyo Emitsukusu:Kk | Panoramic x-ray photographing apparatus |
| US5558573A (en) * | 1995-05-17 | 1996-09-24 | Townsend Eingineering Company | Method and means of skinning meat products |
| US9642582B2 (en) * | 2011-07-22 | 2017-05-09 | Trophy | Shield for patient positioning in extra-oral imaging |
| FI124596B (en) * | 2012-11-23 | 2014-10-31 | Planmed Oy | Medical computed tomography imaging equipment |
| WO2014088596A1 (en) * | 2012-12-07 | 2014-06-12 | Oraya Therapeutics, Inc. | Head support system |
| CN109480895A (en) * | 2018-11-29 | 2019-03-19 | 枣庄市立医院 | A kind of Medical Imaging common X-ray takes the photograph sheet body positioning auxiliary device |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2264410A (en) * | 1940-08-02 | 1941-12-02 | Mayer B A Schier | Radiographic angulating apparatus and method |
| US2684446A (en) * | 1950-11-04 | 1954-07-20 | Paatero Yrjo Veli | Method of and apparatus for X-ray photographing curved surfaces, especially for medical purposes |
| GB754694A (en) * | 1954-10-28 | 1956-08-08 | Yrjo Veli Paatero | Method and apparatus for taking x-ray photographs |
| US2798958A (en) * | 1956-01-19 | 1957-07-09 | Donald C Hudson | Apparatus for producing radiographs of selected structures within a subject |
| GB875246A (en) * | 1959-06-15 | 1961-08-16 | Reynolds Kenneth Travis | Skull radiography apparatus |
| US3045118A (en) * | 1959-07-29 | 1962-07-17 | X Ray Mfg Corp Of America | Panoramic x-ray machines |
| IT676017A (en) * | 1962-09-28 | |||
| US3356913A (en) * | 1965-06-04 | 1967-12-05 | Cornell Dubilier Electric | Electrolytic capacitor with compression stressed seal cap |
| US3521057A (en) * | 1968-04-23 | 1970-07-21 | Alva F Morlan | Human head immobilization unit for panoramic x-ray machines |
| US3743832A (en) * | 1968-11-06 | 1973-07-03 | Gen Electric | Apparatus for producing radiographs of curved planes in an object |
| US3636349A (en) * | 1970-01-27 | 1972-01-18 | Pennwalt Corp | Continuous orbit panographic x-ray |
| US3673408A (en) * | 1970-04-27 | 1972-06-27 | Merton Moss | Combination radiographic apparatus |
| GB1302141A (en) * | 1971-05-25 | 1973-01-04 | ||
| DE2127872C3 (en) * | 1971-06-04 | 1975-05-15 | Dental Corp. Of America, Rockville, Md. (V.St.A.) | Device for producing an X-ray image of a dental arch |
| US3908126A (en) * | 1974-01-02 | 1975-09-23 | Pennwalt Corp S S White Dental | X-ray apparatus for providing panoramic radiographic projections |
| DE2447075C3 (en) * | 1974-10-02 | 1980-02-07 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Dental X-ray diagnostic device with a dose rate regulator that influences the input voltage |
| US4002915A (en) * | 1974-12-09 | 1977-01-11 | Kabushiki Kaisha Morita Seisakusho | Assembly for taking a continuous X-ray picture of the dental arch |
| JPS5226878A (en) * | 1975-08-25 | 1977-02-28 | Iwatsu Electric Co Ltd | Sweep circuit |
| US4044265A (en) * | 1976-03-05 | 1977-08-23 | General Electric Company | Mobile chair for panoramic dental x-ray machine |
-
1977
- 1977-10-24 FI FI773160A patent/FI56621C/en not_active IP Right Cessation
-
1978
- 1978-08-30 CA CA310,362A patent/CA1114076A/en not_active Expired
- 1978-09-12 GB GB7836527A patent/GB2006590B/en not_active Expired
- 1978-09-19 NL NLAANVRAGE7809524,A patent/NL185751C/en not_active IP Right Cessation
- 1978-09-22 BE BE1009071A patent/BE870673A/en not_active IP Right Cessation
- 1978-09-22 FR FR7827230A patent/FR2406428B1/en not_active Expired
- 1978-09-26 DE DE19782842251 patent/DE2842251A1/en active Granted
- 1978-10-06 JP JP12405878A patent/JPS55157A/en active Granted
- 1978-10-23 LU LU80405A patent/LU80405A1/en unknown
-
1980
- 1980-02-05 US US06/118,378 patent/US4329587A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| LU80405A1 (en) | 1979-06-15 |
| FI56621B (en) | 1979-11-30 |
| JPS55157A (en) | 1980-01-05 |
| JPS6320542B2 (en) | 1988-04-28 |
| NL7809524A (en) | 1979-04-26 |
| BE870673A (en) | 1979-03-22 |
| FR2406428B1 (en) | 1985-10-25 |
| DE2842251C2 (en) | 1991-03-14 |
| FR2406428A1 (en) | 1979-05-18 |
| NL185751C (en) | 1990-07-16 |
| DE2842251A1 (en) | 1979-04-26 |
| FI773160A (en) | 1979-04-25 |
| NL185751B (en) | 1990-02-16 |
| US4329587A (en) | 1982-05-11 |
| GB2006590A (en) | 1979-05-02 |
| GB2006590B (en) | 1982-04-28 |
| FI56621C (en) | 1980-03-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |